2026-04-03T14:07:37.73Z52.2245176.540931manualconfirmedEMSC4.6mb1Origin/20260403145647.039203.118103Magnitude/20260403145647.039252.118104EMSCRAT ISLANDS, ALEUTIAN ISLANDSregion nameEMSC-RTScatalog1971894contributorID